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Laserlicht
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/*
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* LobbyHttpApi.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "HttpServer.h"
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#include "LobbyDefines.h"
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class LobbyDatabase;
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/// Concrete implementation of the VCMI lobby REST API.
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/// Fetches data from LobbyDatabase, applies caching, and serializes to JSON.
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class LobbyHttpApi : public ILobbyHttpHandler
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{
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public:
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static constexpr int CACHE_TTL_SECONDS = 30;
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explicit LobbyHttpApi(LobbyDatabase & database);
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std::string getApiStats() override;
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std::string getApiChats(const std::string & channelName) override;
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std::string getApiRooms(int hours, int limit) override;
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private:
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struct CacheEntry
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{
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std::string json;
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std::chrono::system_clock::time_point timestamp;
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};
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bool isCacheValid(const CacheEntry & entry) const;
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std::string formatTimestamp(std::chrono::system_clock::time_point timePoint);
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std::string serializeRooms(const std::vector<LobbyGameRoom> & rooms, int hours, int limit);
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LobbyDatabase & database;
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std::chrono::system_clock::time_point startTime;
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std::optional<CacheEntry> statsCache;
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std::map<std::string, CacheEntry> chatsCache;
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struct RoomsCacheEntry
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{
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std::vector<LobbyGameRoom> rooms;
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int fetchedHours; // -1 means all time
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int fetchedLimit;
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std::chrono::system_clock::time_point timestamp;
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};
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std::optional<RoomsCacheEntry> roomsCache;
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};
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